Lbe Ar15 Bolt Carrier Gas Key Blk

The LBE AR15 Bolt Carrier Gas Key assembly is a precision-engineered replacement component designed for operators and armorers who demand reliability in their direct-impingement rifle systems. This gas key serves as a critical interface between the bolt carrier group and the gas tube, making it essential for maintaining and building AR-15 platforms.

Manufactured to tight tolerances, this black-finished gas key ensures consistent gas port alignment and prevents carrier tilt that can cause premature wear and cycling issues. Its design regulates propellant gas flow back into the carrier, making proper installation critical for bolt lock-up timing and accuracy.

This component is ideal for law enforcement armorers, military maintenance personnel, and serious civilian shooters performing bolt carrier group replacement or repair on direct-impingement AR-15 platforms. It maintains compatibility with standard rifle-length, mid-length, and pistol-length gas systems, provided the host bolt carrier group is mil-spec.